Problemset - Codeforces

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Problems

#	Name
1452B	Toy Blocks binary search, greedy, math, sortings	1400	x14696
1451C	String Equality dp, greedy, hashing, implementation, strings	1400	x15555
1446A	Knapsack constructive algorithms, greedy, sortings	1300	x15491
1444A	Division brute force, math, number theory	1500	x13014
1443C	The Delivery Dilemma binary search, greedy, sortings	1400	x15257
1443B	Saving the City dp, greedy, math, sortings	1300	x15767
1439A1	Binary Table (Easy Version) constructive algorithms, implementation	1500	x9366
1437B	Reverse Binary Strings constructive algorithms, greedy	1200	x19162
1436C	Binary Search binary search, combinatorics	1500	x10800
1433E	Two Round Dances combinatorics, math	1300	x18441
1433D	Districts Connection constructive algorithms, dfs and similar	1200	x23108
1431D	Used Markers *special problem, greedy	1500	x455
1431B	Polycarp and the Language of Gods *special problem, implementation, two pointers	1400	x1010
1428C	ABBB brute force, data structures, greedy, strings	1100	x20202
1428B	Belted Rooms graphs, implementation	1200	x14372
1427B	Chess Cheater greedy, implementation, sortings	1400	x10895
1426D	Non-zero Segments constructive algorithms, data structures, greedy, sortings	1500	x15987
1426C	Increase and Copy binary search, constructive algorithms, math	1100	x19376
1425H	Huge Boxes of Animal Toys constructive algorithms	1300	x4164
1425F	Flamingoes of Mystery interactive	1400	x5711
1425A	Arena of Greed games, greedy	1400	x6523
1424G	Years data structures, sortings	1300	x5859
1422B	Nice Matrix greedy, implementation, math	1300	x14397
1421C	Palindromifier constructive algorithms, strings	1400	x12791
1421B	Putting Bricks in the Wall constructive algorithms, implementation	1100	x13055
1420C1	Pokémon Army (easy version) constructive algorithms, dp, greedy	1300	x17578
1420B	Rock and Lever bitmasks, math	1200	x25640
1419D2	Sage's Birthday (hard version) binary search, brute force, constructive algorithms, greedy, sortings, two pointers	1500	x15568
1419C	Killjoy greedy, implementation, math	1500	x15367
1419B	Stairs brute force, constructive algorithms, greedy, implementation, math	1200	x16243
1418C	Mortal Kombat Tower dp, graphs, greedy, shortest paths	1500	x19831
1418B	Negative Prefixes greedy, sortings	1300	x16664
1417B	Two Arrays greedy, math, sortings	1100	x14466
1416A	k-Amazing Numbers binary search, data structures, implementation, two pointers	1500	x12514
1415C	Bouncing Ball brute force, dp, implementation	1400	x10890
1415B	Repainting Street brute force, brute force, greedy	1100	x12181
1413B	A New Technique implementation	1100	x11714
1409D	Decrease the Sum of Digits greedy, math	1500	x19386
1409C	Yet Another Array Restoration brute force, math, number theory	1200	x23284
1409B	Minimum Product brute force, greedy, math	1100	x28956
1408C	Discrete Acceleration binary search, dp, implementation, math, two pointers	1500	x8845
1408B	Arrays Sum constructive algorithms, greedy, math	1400	x9950
1407B	Big Vova brute force, greedy, math, number theory	1300	x17006
1407A	Ahahahahahahahaha constructive algorithms, math	1100	x20433
1406B	Maximum Product brute force, dp, greedy, implementation, sortings	1200	x22620
1404A	Balanced Bitstring implementation, strings	1500	x15397
1401C	Mere Array constructive algorithms, math, number theory, sortings	1300	x24259
1401B	Ternary Sequence constructive algorithms, greedy, math	1100	x21072
1400C	Binary String Reconstruction 2-sat, brute force, constructive algorithms, greedy	1500	x17316
1399D	Binary String To Subsequences constructive algorithms, data structures, greedy, implementation	1500	x18253
1399C	Boats Competition brute force, greedy, two pointers	1200	x28823
1397B	Power Sequence brute force, math, number theory, sortings	1500	x14694
1395B	Boboniu Plays Chess constructive algorithms	1100	x16056
1393B	Applejack and Storages constructive algorithms, data structures, greedy, implementation	1400	x16689
1392C	Omkar and Waterslide greedy, implementation	1200	x18772
1391C	Cyclic Permutations combinatorics, dp, graphs, math	1500	x15009
1389C	Good String brute force, dp, greedy, two pointers	1500	x19007
1385D	a-Good String bitmasks, brute force, divide and conquer, dp, implementation	1500	x19262
1385C	Make It Good greedy	1200	x26963
1384A	Common Prefixes constructive algorithms, greedy, strings	1200	x18775
1382B	Sequential Nim dp, games	1100	x24655
1381A1	Prefix Flip (Easy Version) constructive algorithms, data structures, strings	1300	x20484
1380C	Create The Teams brute force, dp, greedy, implementation, sortings	1400	x20701
1380B	Universal Solution greedy	1400	x14596
1379B	Dubious Cyrpto binary search, brute force, math, number theory	1500	x12652
1379A	Acacius and String brute force, implementation, strings	1500	x11915
1375C	Element Extermination constructive algorithms, data structures, greedy	1400	x21121
1375B	Neighbor Grid constructive algorithms, greedy	1200	x17274
1375A	Sign Flipping constructive algorithms, math	1100	x18345
1374D	Zero Remainder Array math, sortings, two pointers	1400	x23731
1373C	Pluses and Minuses math	1300	x18351
1372C	Omkar and Baseball constructive algorithms, math	1500	x17821
1372B	Omkar and Last Class of Math greedy, math, number theory	1300	x27968
1371C	A Cookie for You greedy, implementation, math	1300	x20525
1371B	Magical Calendar math	1200	x19158
1370C	Number Game games, math, number theory	1400	x24547
1370B	GCD Compression constructive algorithms, math, number theory	1100	x23670
1369C	RationalLee greedy, math, sortings, two pointers	1400	x19569
1369B	AccurateLee greedy, implementation, strings	1200	x24400
1368C	Even Picture constructive algorithms	1500	x13327
1368B	Codeforces Subsequences brute force, constructive algorithms, greedy, math, strings	1500	x19708
1367C	Social Distance constructive algorithms, greedy, math	1300	x23480
1366C	Palindromic Paths greedy, math	1500	x13571
1366B	Shuffle math, two pointers	1300	x20983
1366A	Shovels and Swords binary search, greedy, math	1100	x30054
1365C	Rotation Matching constructive algorithms, data structures, greedy, implementation	1400	x23082
1365B	Trouble Sort constructive algorithms, implementation	1300	x26831
1365A	Matrix Game games, greedy, implementation	1100	x24087
1364B	Most socially-distanced subsequence greedy, two pointers	1300	x19837
1364A	XXXXX brute force, data structures, number theory, two pointers	1200	x28025
1363B	Subsequence Hate implementation, strings	1400	x23602
1363A	Odd Selection brute force, implementation, math	1200	x35851
1362C	Johnny and Another Rating Drop bitmasks, greedy, math	1400	x18296
1362B	Johnny and His Hobbies bitmasks, brute force	1200	x19160
1360E	Polygon dp, graphs, implementation, shortest paths	1300	x25281
1360D	Buying Shovels math, number theory	1300	x33089
1360C	Similar Pairs constructive algorithms, graph matchings, greedy, sortings	1100	x32833
1355D	Game With Array constructive algorithms, math	1400	x18019
1355B	Young Explorers dp, greedy, sortings	1200	x25646
1355A	Sequence with Digits brute force, implementation, math	1200	x26560